<em>Water purification</em> - The process by which undesired chemical compounds, organic and inorganic materials, and biological contaminants are removed from water. The purification procedure reduces the concentration of contaminants such as suspended particles, parasites, bacteria, algae, viruses, and fungi.
1. modeling
2.exttoversion
3.identity
Answer:
The modification allows the stomach to churn, mix, and pummel the food, breaking it down to smaller fragments.
